package com.neusoft.student.filter;

import javax.servlet.*;
import java.io.IOException;

/**
 * @Author: duan
 * @Date: Create in 16:13 2020/10/24
 */
public class CharacterEncodingFilter implements Filter {
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
        System.out.println("CharacterEncodingFilter初始化");
    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        System.out.println("CharacterEncodingFilter::doFilter");
        servletRequest.setCharacterEncoding("UTF-8");
        servletResponse.setCharacterEncoding("UTF-8");
        filterChain.doFilter(servletRequest, servletResponse);
    }

    @Override
    public void destroy() {
        System.out.println("CharacterEncodingFilter销毁");
    }
}
